geometry definitions

1234567891011121314151617
Across
  1. 1. two shapes that are exactly the same
  2. 5. triangle no sides equal
  3. 10. a moved shape, same orientation
  4. 11. longest side of a right-angled triangle
  5. 12. angles that add to 180
  6. 16. four sides, one pair parallel
  7. 17. a flipped shape
Down
  1. 2. two pairs of equal sides, diagonals =
  2. 3. triangle 2 sides equal
  3. 4. a polygon with four sides
  4. 6. angles that add to 90
  5. 7. four equal sides, equal diagonals
  6. 8. four equal sides
  7. 9. two pairs of parallel sides,
  8. 13. a shape spun around
  9. 14. triangle 3 sides equal
  10. 15. two pairs of equal adjacent sides